Jan has been a Partner at Kleiner & Cavaliero since 2017. He has a profound knowledge of all aspects of national and international sports law as well as of media and entertainment law matters. Jan has a vast experience in representing clients before the Court of Arbitration for Sport, decision-making bodies of international sports federations and before State Courts, including the Swiss Federal Tribunal. In addition, Jan has been advising national and international clients in media, advertising and data protection law matters for several years, with a particular focus on sports and data protection. He has equally been practising in international litigation and arbitration and in general corporate and commercial law matters.
Before founding Kleiner & Cavaliero, Jan was active in the Media, Entertainment and Sports Law Department of an international business law firm in Zürich, Switzerland, in 2013. Jan's practice covered contentious and non-contentious matters in the fields of national and international sports law, media law and entertainment law. Until 2012, Jan had worked for the Union des Associations Européennes de Football (UEFA) and the Fédération Internationale de Football Association (FIFA). Jan was responsible for the handling of employment-related disputes, disputes related to solidarity contribution, training compensation and international transfers. In addition, Jan was in charge of handling disputes in front of the Court of Arbitration for Sport (CAS).
Jan obtained his law degree from the University of Zürich in 2005 (magna cum laude). In 2012, Jan graduated as a Global Executive Master in International Sports Law from the Instituto Superior de Derecho y Economia in Madrid, Spain (summa cum laude). In 2013, Jan obtained his doctorate in law (Dr. iur.) from the University of Zürich (summa cum laude) and received the Prix ASDS for the best sports law thesis in Switzerland for the years 2013/2014.
Jan regularly publishes articles and books on national and international sports law and on media, entertainment and data protection matters. Furthermore, Jan is a lecturer in international sports law at the University of Zürich, Switzerland, and in various other master programmes in international sports law.
Jan is an Arbitrator at the German Institute of Arbitration (Sports Law and Anti-Doping Matters) and a Specialist Panel Member at Sports Resolutions UK. He also acts as President and Chairman of the Board of the ISDE Sports Law Alumni. He is furthermore a Member of several other professional associations.